Dual knife sharpener with single handle



FIG. 1 is a perspective view of a dual knife sharpener with single handle showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side edge elevational view thereof;

FIG. 5 is a right side edge elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a dual knife sharpener with single handle, substantially as shown and described. 